Forward –Thinking Senior IT professional with 12+ year of experience providing sustainable solutions to the ever-changing problems in the contemporary world of business. Proficient in providing Enterprise-level network/server administration services via various hardware such as:
Microsoft 365, Azure, Windows Servers, Active Directory, and Microsoft Exchange Servers. Also experience with Dell PowerEdge, HP ProLiant Blade and Cisco UCS. Strategically connects high-level digital solutions to improve corporate business outcomes to ensure confidentiality, integrity, and availability of networks, systems, and data.
Cloud Enterprise Engineer – Oct 2019 – Current
Willis Towers Watson - Arlington, VA
Managed Microsoft 365 and Azure AD tenants
Installed Azure AD Connect on stagged mode to provide HA.
Deployed Azure AD Conditional Access policies and enforced Multifactor Authentication.
Created Privilege Identity Management policies to protect administrative role accounts.
Deployed and managed Microsoft Intune enrollment, MDM and MAM and App Protection policies
Assigned Phone System license for Teams users and manage the request of Phone Numbers.
Performed QoS for Teams calls and A/V conferencing
Deployed DLP and Retention policies to Exchange Online, SharePoint, OneDrive and Teams
Performed periodical audits to Azure logs and MS 365 logs.
Utilization of Azure for DR Backup solution and Active Directory integration for On-premises deployment with Microsoft 365 and Exchange 2016/2019
Managed Teams deployment, created channels, and managed direct routing.
Utilization of PowerShell through Exchange on and off premise solution, Active Directory and Domain configuration of DHCP, Site, and Services, etc.
Office 365 Cloud Engineer – Nov 2018 – July 2019
NTT Data - Plano TX
Performed the migration from Exchange 2013 and Exchange 2016 to Office 365
Managed user license assignments using PowerShell scripting.
Deployed Skype for Business Online for users
Delivered technical support for Skype for Business online A/Video conferencing and Web conferencing.
Worked in liaison capacity between customers and NTT Data; assisted resolving technical issues.
Provided technical writing services and business analyst work upon request.
Audited software/telecommunications/hardware for new/current user setup, location moves and decommissioning.
Assisted customer with ServiceNow ticket system flow design/development and support.
Provide remote/local project leadership IT equipment installation between local/national and international locations.
Partnered with management, staff and 3rd party vendors to coordinate projects per client request and NTT PM standards
Collaborated with NTT Data Project Manager in a Project Coordinator role to assist with project creation & aligning/directing technical resources for short/long term goals.
Office 365 Migration Engineer (Lead) – March 2017 – Aug 2018
Ulterra - Fort Worth, Texas
Migrated Exchange 2013 mailboxes to Office 365.
Created Retention policies and DLP.
Deployed AntiSpam and Anti Phishing policies using Exchange Online Protection
Migrated File Share Folders to SharePoint and OneDrive
Created SharePoint Online sites and manage permissions.
Migration from Skype for Business Server 2015 to Skype for Business Online
Conducted 85% business travel to other locations in support of corporate IT infrastructure assets.
PowerShell scripting for Active Directory and Exchange configuration and automation
Windows Server builds, Terminal Server build in Virtualized Infrastructure using VMWare and Hyper-V.
Completed Tier 2 & 3 support and work items assigned via ServiceNow ticketing system.
Storage SAN implementation and management for Virtual Environment build
Configuration of Exchange in hybrid environment for preparation of migration project to Office 365
ITIL process utilization for services that deal with customers and business needs.
Upgrade systems and processes as required for enhanced functionality and security issue resolution.
Patch management of windows and Linux infrastructure
Citrix Cloud Support for users, published application and desktops.
VMware Environment Build and Upgrade via Vcenter. (version 5 to 6 to v7)
Senior Messaging Engineer – July 2015 – Feb 2017
Ozark Bank - Little Rock, AR
Responsible for daily monitoring of the Exchange and AD services, providing engineering escalation troubleshooting for support level 2 and level 3 with end-users, daily reports of the health status for AD and Exchange, troubleshooting for mail flow internally and externally. Responsible for keeping the runbook updated, delivering weekly reports for SME, and ensuring the mail service uptime 24/7.
Built new DC to upgrade Windows Server 2003 and Windows Server 2008 to Windows Server 2008 R2 and Windows Server 2012
Created new user mailboxes, distribution lists, room mailboxes and shared mailboxes.
Daily checked health on Exchange, Email Gateway and EMS.
Data Analysis and Reporting
Lead the Active Directory transition from domain and forest functional level 2003 to 2008.
Managed Active Directory, Creation of users, policies and services account.
Managed McAfee email gateway and prevented SPAM attacks.
Created Antispam and Antimalware policies
Monitored Active Directory replication and daily health on DC.
Monitored, managed and troubleshot using PowerShell, Event viewer, MMC, messaging tracking tool, MFCMAPI.
Planned and documented the creation of AD trust with companies acquired by Ozark.
Provided end-user support with email and Lync issues.
Provided support for Active Directory services, Internal DNS and DHCP.
Provided support to end users with email and Lync issues.
Trained the service desk after the migration on basic change and resolution of common issues.
Transitioned 3000+ mailboxes from Exchange 2010 to Exchange 2016.
Updated Exchange 2010, Exchange 2016 and Lync 2013 with the latest patches.
Updated the documentation and created new process.
Senior Messaging Engineer – Jan 2014 – June 2015
Encompass Health – Birmingham, AL
Lead the effort to transition from Exchange 2010 to 2013 for 5,000+ mailboxes.
Managed and monitored email platforms during coexistence and interconnections.
Updated Exchange 2010 environment with the latest patches and ran best practice analyzer to ensure readiness for migration.
Created servers in a virtualized environment using VMWare ESXi
Configured server roles, recipients, groups and mailboxes.
Established high availability by installing and configuring additional Exchange 2013 servers in production, creating a Database Availability Groups and a CASS Array
Decommissioned Exchange 2010 servers upon completion of transition to the new messaging infrastructure
Monitored, managed and troubleshot using tools such as Perform, protocol logs, event viewer, MMC, EXBPA, Exchange Management Shell, PowerShell, message tracking tool, regsvr32, regedit, regedt32.
Provided support and administration of Active Directory (AD) in a Windows 2003/2008/ 2012 Servers distributed environment and manage DHCP and DNS.
Created test lab environment to show integration of Exchange 2013 and Lync 2013 with Avaya connectivity
Documented and planned for production deployment of Lync 2013 for the Enterprise.
Deployed 2 Lync Front-End Severs in a Pool for High availability and a mirrored Back- End SQL server
Deployed services for Mediation, Edge and A/V and Monitoring servers
Configured integration of enterprise voice with the in- place Avaya system.
Pulled reports for voice call quality, QoS, usage by modality, and conferencing statistics for executive review.
Troubleshot issues with conferencing calls, voice calls, users sign-in and remote connectivity using Wireshark and Lync snooper tools.
Applied cumulative updates to all Lync servers to ensure optimal performance.
Trained administrators and help desk on resolving common issues for Lync and Exchange.
Responsible for administration and support of additional networking features (Firewall: Policies, Filter of web page)
Managed Active Directory accounts and services (Create user, Create Policies)
Supported VoIP systems (Avaya)
Tool Used: Exchange Calculator Sheet, Exchange Server Deployment Assistant, Exchange Best Practice Analyzer, VMWare ESXi, ESEUtil, PowerShell, Lync Snooper Tool, Lync Planning Wizard, Remote Connectivity Analyzer, SMTP Logging Tool, WireShark, JetStress
Senior Messaging Engineer – June 2011 – Dec 2013
Dean Foods – Dallas, TX
Responsible for the Exchange 2007/2010 Servers administration, health check and Disaster recovery plan
Mailbox migration from Exchange 2007 to Exchange 2010
SMTP Email, Anti-Spam, Email Encryption and Exchange Server Administration
Managed IronPort Email Security Gateway, managed and updated AsyncOS
Created Antispam, Antimalware and Content filtering policies.
Managed email Quarantine
Evaluated vendor supplied software packages for fit/performance and made recommendations to management.
Modified/installed/prepared technical documents for telecommunications, network & system software applications.
Participation, planning, and implementation of a Comprehensive Disaster Recovery and Business Continuity plan
Manage Antivirus software upgrade, deployment, and maintenance.
Produce and maintain documentation of server infrastructure and environment.
Managed backup/recovery tasks using Backup Exec for physical/virtual Servers.
Controlled Patch Management of Windows System via SCCM
Maintain core components of Windows Server infrastructure, including WINS, DNS, DHCP, File and Print Services, Terminal Services Licensing, and Active Directory
Resolution of escalated hardware failures and server outages, including data recovery.
Microsoft Exchange Administrator – Aug 2009 – June 2011
SourceCorp - Miami, FL
Managed Exchange 2007 Server, database management, backups and restore.
Managed user mailboxes, Distribution Lists, Mail Contacts, Shared Mailboxes and Public Folders
Provided production/server/enterprise support in high-demanding environment.
Supported the following programs/servers: Windows 2000/2003 and 2008, LAN, TCP/IP, WAN, Blackberry Enterprise (BES) and iPhone (IOS) devices.
Managed workstation administration/deployment and software inventory for 2500+ employees
Implemented enterprise-wide updates including security patching, software deployment, and hardware refreshes.
Managed Active Directory objects including computer, security groups, exchange groups, email address and added/deleted users.
Used ServiceNow for ticketing system and escalation.
Master of Business Administration
BSC. COMPUTER SCIENCE
SKILLS & TOOLS
MICROSOFT 365 / OFFICE 365
AZURE CLOUD SERVICES
AZURE NETWORKING, STORAGE AND COMPUTING
WINDOWS SERVERS (2000, 2003, 2008, 2012, 2012 R2, 2016, 2019)
MICROSOFT ENDPOINT CONFIGURATION MANAGER, SYSTEM CENTER CONFIGURATION MANAGER
MICROSOFT INTUNE, MDM AND MAM
POWERSHELL SCRIPTING AND ADVANCE MANAGEMENT TASKS
EXCHANGE SERVER (2000, 2003, 2007, 2010, 2013, 2016, 2019)
OFFICE COMMUNICATOR SERVER
LYNC SERVER 2007, 2010
SKYPE FOR BUSINESS SERVER 2015, 2019
SKYPE FOR BUSINESS ONLINE
MICROSOFT TEAMS PHONE SYSTEMS, A/V CONFERENCES AND LIVE EVENTS
WINDOWS OS (95, 98, 2000, XP, VISTA, 7, 8, WINDOWS 10 PRO, WINDOWS 10 ENTERPRISE)
EMAIL SECURITY (EOP, IRONPORT, PROOFPOINT AND MIMECAST)
EMAIL SECURITY FRAMEWORKS (SPF, DKIM AND DMARC)
MS 365 SECURITY AND COMPLIANCE (DATA LOSS PREVENTION, RETENTION, DATA GOVERNANCE, DATA CLASSIFICATION, EDISCOVERY)
MOBILE DEVICE MANAGEMENT AND MOBILE APPLICATION MANAGEMENT
COMPLIANCE POLICIES AND CLIENT APP POLICIES
VIRTUALIZATION TECHNOLOGIES (HYPER-V, VMWARE)
AZURE INFORMATION PROTECTION AND DATA CLASSIFICATION
AZURE AD IDENTITY PROTECTION
PRIVILEGED IDENTITY MANAGEMENT, MICROSOFT IDENTITY MANAGEMENT
CONDITIONAL ACCESS POLICIES AND MULTI FACTOR AUTHENTICATION
AZURE AD CONNECT (PASSWORD HASH SYNCHRONIZATION AND PASS-THROUGH AUTHENTICATION)
ACTIVE DIRECTORY FEDERATION SERVICES (AD FS)
ADFS SINGLE SIGN-ON, AZURE AD SEAMLESS SINGLE SIGN-ON AND OKTA
OAUTH 2.0, OPENID CONNECT AND SAML
AZURE AD, B2B AND B2C
ENTERPRISE APPS AND APP REGISTRATION
BITLOCKER DRIVE ENCRYPTION
MICROSOFT CLOUD APP SECURITY
AZURE ADVANCE THREAT PROTECTION AND MICROSOFT 365 ADVANCE THREAT PROTECTION
POWER PLATFORM (POWER APPS, POWER AUTOMATE AND POWER BI)
CANVAS APP AND MODEL-DRIVEN APP
POWER APPS PORTALS
POWER VIRTUAL AGENTS